Home / 18,427.37-25,429.86-10,470.04

Finding the Fourth Proportional to 18,427.37, 25,429.86 and 10,470.04

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Solution

The fourth proportional to 18,427.37, 25,429.86 and 10,470.04 is: 14,448.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,427.37 : 25,429.86 = 10,470.04 : x
  2. Step 2: Convert to fraction form
    18,427.37/25,429.86 = 10,470.04/x
  3. Step 3: Cross multiply
    18,427.37x = 25,429.86 × 10,470.04
  4. Step 4: Simplify right side
    18,427.37x = 266,251,587.82
  5. Step 5: Solve for x
    x = 266,251,587.82/18,427.37
  6. Step 6: Final answer
    x = 14,448.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.